CN109168179A - A kind of system dual link scheduling strategy and device - Google Patents
A kind of system dual link scheduling strategy and device Download PDFInfo
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- CN109168179A CN109168179A CN201810985138.XA CN201810985138A CN109168179A CN 109168179 A CN109168179 A CN 109168179A CN 201810985138 A CN201810985138 A CN 201810985138A CN 109168179 A CN109168179 A CN 109168179A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- H—ELECTRICITY
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Abstract
The embodiment of the present application provides a kind of system dual link scheduling strategy and device, is related to the communications field, can be under the premise of not influencing terminal experience for not having the terminal for supporting the bis- hair functions of LTE-NR under band segment, the availability of frequency spectrum of effective lifting system.Its method are as follows: first base station determines that terminal does not have when supporting the bis- hair functions of LTE-NR, receive the measurement report for the cell signal quality containing LTE cell and NR cell that terminal reports, wherein, LTE cell and NR cell are respectively the cell under the first and second base station range, first base station judges whether the signal quality of LTE cell and NR cell meets preset condition, if meeting, first base station sends the first RRC reconfiguration message and the first configuration information to terminal and the second base station respectively, and the second base station is made to establish SRB3 and DRB2 according to the first configuration information terminal；If not satisfied, first base station is that terminal establishes DRB1.The embodiment of the present application is used for lifting system availability of frequency spectrum under the premise of not influencing terminal experience.
Description
Technical field
This application involves the communications field more particularly to a kind of system dual link scheduling strategies and device.
Background technique
Dual link is the 5th third-generation mobile communication technology (5th-Generation mobile communication
Technology, 5G) system important aspect, including Long Term Evolution-newly eats dishes without rice or wine (Long Term Evolution-New
Radio, LTE-NR) it dual link and newly eats dishes without rice or wine-newly eats dishes without rice or wine (New Radio-New Radio, NR-NR) dual link.Wherein,
LTE-NR doubly-linked connection function is the essential function of 5G NR dependent deployment scenario.LTE-NR dual link can be using LTE as covering
Layer, for NR as capacity layer, the 5G terminal to work under dual link mode can experience LTE and NR two systems bring performance
Gain.However, the frequency range for part LTE-NR dual link combines, 5G terminal can produce when two systems alien frequencies emits simultaneously
It is born from interference, and when receiver is locally fallen after rise in the reception frequency range of some link, will have a direct impact on the demodulation of receiver.Cause
This, combines this more serious frequency range of interference, usually uplink single shot mode is configured by 5G terminal, to avoid serious
Interference problem.
But such solution is there is no performance of the optimization 5G terminal works under uplink single shot mode is considered, thus shadow
The upstream rate and downstream rate for ringing 5G terminal cause 5G terminal capabilities to deteriorate.
Summary of the invention
The embodiment of the present application provides a kind of system dual link scheduling strategy and device, for not having support under band segment
The terminal of the bis- hair functions of LTE-NR, can be under the premise of not influencing terminal experience, and effectively the frequency spectrum of lifting system entirety is sharp
With rate.
In a first aspect, providing a kind of system dual link scheduling strategy, comprising: first base station determines that terminal does not have support
When the bis- hair functions of LTE-NR, receive the measurement report that terminal reports, the measurement report include LTE cell cell signal quality and
The cell signal quality of NR cell, wherein LTE cell is the cell under first base station coverage area, and NR cell is the second base station
Cell under coverage area；First base station judge LTE cell cell signal quality and NR cell cell signal quality whether
Meet preset condition；If meeting preset condition, first base station issues the first wireless heterogeneous networks (Radio Resource to terminal
Control, RRC) reconfiguration message, and the first configuration information is sent to the second base station, the first configuration information is used to indicate second
Base station is that terminal establishes Signaling Radio Bearer (signalling radio bearers, SRB) 3 and Data Radio Bearer (Data
Radio bearers, DRB) 2, the first RRC reconfiguration message is for making terminal know that first base station configures first for NR cell
The secondary cell (Primary Secondary Cell, PSCell) of base station；If being unsatisfactory for preset condition, first base station is built for terminal
Vertical DRB1.For not having the terminal for supporting the bis- hair functions of LTE-NR, such design be may be implemented when meeting preset condition,
By the related data information of the small area carrier terminal of NR, when being unsatisfactory for preset condition, the relevant information of terminal is fallen back in LTE cell
It is transmitted, so as under the premise of not influencing terminal experience, the effectively availability of frequency spectrum of lifting system entirety.
In a kind of possible design, cell signal quality is Reference Signal Received Power (Reference Signal
Receiving Power, RSRP), the RSRP of LTE cell measures cell reference signals (Cell Reference by terminal
Signal, CRS) it obtains, the RSRP of NR cell measures secondary synchronization signal (Secondary Synchronization by terminal
Signal, SSS) it obtains；Preset condition are as follows: RSRP1+offset > RSRP2, wherein offset is bias, and RSRP1 is that NR is small
The RSRP in area, RSRP2 are the RSRP of LTE cell.By the way that suitable bias is arranged in preset condition, can effectively control by
The thresholding of the small area carrier terminal data of NR, to achieve the effect that controllably match the small area carrier terminal quantity of NR.
In a kind of possible design, if terminal is in RRC Idle state, first base station is that terminal establishes default SRB0；
If terminal is in RRC connected state, when meeting preset condition, first base station is that terminal establishes SRB1, when being unsatisfactory for preset condition
When, if first base station detects that Non-Access Stratum (Non-access stratum, NAS) message is transmitted, then first base station is terminal
SRB2 is provided, if NAS message transmission is not detected, first base station is that terminal establishes SRB1.Such design makes first base station
There is provided corresponding carrying for the terminal under different conditions, can terminal do not have support LTE-NR bis- hair functions under the premise of,
Guarantee the working performance of terminal.
In a kind of possible design, after measurement report updates, if the cell signal quality of LTE cell and NR cell
Cell signal quality is unsatisfactory for preset condition, and first base station sends the 2nd RRC reconfiguration message to terminal, and sends out to the second base station
Sending the second configuration information, the second configuration information, which is used to indicate the second base station and discharges its own RRC between terminal, to be connect, and second
RRC reconfiguration message is for making terminal know that first base station terminal establishes DRB1.In this way by the more new information generation of measurement report
Enter in preset condition and judged, when being unsatisfactory for preset condition, illustrates that the second base station is unsatisfactory for providing service bearer for terminal
Requirement, the second base station discharges its RRC between terminal and connect, and is that terminal establishes DRB by first base station, to ensure that end
End experience is unaffected.
Second aspect provides a kind of system dual link scheduling strategy, comprising: the second base station receives that first base station is sent
One configuration information, it is that terminal establishes SRB3 and DRB2 that the first configuration information, which is used to indicate the second base station, and the second base station is according to first
Configuration information is that terminal establishes SRB3 and DRB2.Such design can make the second base station match confidence according to what first base station was sent
Breath provides business service for terminal.
In a kind of possible design, the system dual link scheduling strategy, further includes: the second base station receives first base station hair
The second configuration information sent, the second configuration information, which is used to indicate the second base station and discharges its own RRC between terminal, to be connect, and
Two base stations discharge the RRC connection between the second base station and terminal according to the second configuration information.Can make in this way the second base station according to
The second configuration information that first base station is sent discharges its own RRC between terminal and connect.
The third aspect provides a kind of system dual link dispatching device, is set to first base station, comprising: determination unit is used for
It determines that terminal does not have and supports the bis- hair functions of LTE-NR；Receiving unit, the measurement report reported for receiving terminal, the measurement report
Accuse the cell signal quality of the cell signal quality comprising LTE cell and NR cell, wherein LTE cell is first base station covering
Cell under range, NR cell are the cell under the second base station range；Judging unit, for judging the cell of LTE cell
Whether signal quality and the cell signal quality of NR cell meet preset condition；Transmission unit, for when meeting preset condition,
The first RRC reconfiguration message is issued to terminal, and sends the first configuration information to the second base station, the first configuration information is used to indicate
Second base station is that terminal establishes SRB3 and DRB2, and the first RRC reconfiguration message is for making terminal know first base station by NR cell
It is configured to the secondary cell PSCell of first base station；Processing unit, for establishing DRB1 for terminal when being unsatisfactory for preset condition.
In a kind of possible design, the RSRP of cell signal quality RSRP, LTE cell measures CRS by terminal and obtains
, the RSRP of NR cell measures SSS by terminal and obtains；Preset condition are as follows: RSRP1+offset > RSRP2, wherein offset
For bias, RSRP1 is the RSRP of NR cell, and RSRP2 is the RSRP of LTE cell.
In a kind of possible design, if terminal is in RRC Idle state, processing unit is that terminal establishes default SRB0；
If terminal is in RRC connected state, when meeting preset condition, processing unit is that terminal establishes SRB1, when being unsatisfactory for preset condition
When, if device detects that NAS message is transmitted, processing unit is that terminal establishes SRB2, if NAS message transmission is not detected,
Device is that terminal establishes SRB1.
In a kind of possible design, after measurement report updates, if the cell signal quality of LTE cell and NR cell
Cell signal quality is unsatisfactory for preset condition, transmission unit, is also used to send the 2nd RRC reconfiguration message to terminal, and to the
Two base stations send the second configuration information, and the second configuration information is used to indicate the second base station and discharges its own RRC between terminal
Connection, the 2nd RRC reconfiguration message is for making terminal know that first base station terminal establishes DRB1.
Fourth aspect provides a kind of system dual link dispatching device, is set to the second base station, comprising: receiving unit is used for
Receive first base station send the first configuration information, the first configuration information be used to indicate the second base station be terminal establish SRB3 and
DRB2；Processing unit, for being that terminal establishes SRB3 and DRB2 according to the first configuration information.
In a kind of possible design, receiving unit, be also used to receive first base station transmission the second configuration information, second
Configuration information is used to indicate the RRC connection between the second base station the second base station of release and terminal；Processing unit is also used to according to
Two configuration informations discharge the RRC connection between the second base station and terminal.
The embodiment of the present application provides a kind of system dual link scheduling strategy and device, first base station determine that terminal does not have
When supporting the bis- hair functions of LTE-NR, measurement report that reception terminal reports, wherein measurement report includes the cell of LTE cell
The cell signal quality of signal quality and NR cell, and LTE cell and NR cell are respectively first base station and the covering of the second base station
Cell under range, first base station judge whether the cell signal quality of LTE cell and the cell signal quality of NR cell meet
Preset condition, if meeting preset condition, first base station issues the first radio resource control RRC reconfiguration message to terminal, and
The first configuration information is sent to the second base station, it is that terminal establishes SRB3 and DRB2 that the first configuration information, which is used to indicate the second base station,
First RRC reconfiguration message is for making terminal know that first base station configures NR cell to the PSCell of first base station；If discontented
Sufficient preset condition, first base station are that terminal establishes DRB1.By scheme provided by the present application, support LTE-NR bis- for not having
The terminal for sending out function can be realized when meeting preset condition, by the related data information of the small area carrier terminal of NR, be unsatisfactory for presetting
When condition, the relevant information of terminal falls back to and is transmitted in LTE cell, meanwhile, operator, which passes through, is arranged suitable bias,
It can effectively control by the thresholding of the small area carrier terminal data of NR, under the premise of not influencing terminal experience, with what can controllably be matched
The availability of frequency spectrum of mode lifting system entirety.
Detailed description of the invention
Fig. 1 is a kind of LTE-NR dual link schematic diagram of a scenario provided by the embodiments of the present application；
Fig. 2 is a kind of system dual link scheduling strategy flow diagram provided by the embodiments of the present application；
Fig. 3 is a kind of system dual link scheduling strategy flow diagram provided by the embodiments of the present application；
Fig. 4 is that the carrying corresponding relationship between a kind of wireless side and terminal, core net provided by the embodiments of the present application is illustrated
Figure；
Fig. 5 is a kind of structural schematic diagram of system dual link dispatching device provided by the embodiments of the present application；
Fig. 6 is a kind of structural schematic diagram of system dual link dispatching device provided by the embodiments of the present application；
Fig. 7 is a kind of structural schematic diagram of system dual link dispatching device provided by the embodiments of the present application；
Fig. 8 is a kind of structural schematic diagram of system dual link dispatching device provided by the embodiments of the present application；
Fig. 9 is a kind of structural schematic diagram of system dual link dispatching device provided by the embodiments of the present application；
Figure 10 is a kind of structural schematic diagram of system dual link dispatching device provided by the embodiments of the present application.
Specific embodiment
In the embodiment of the present application, " optionally " or " such as " etc. words for indicate make example, illustration or explanation.This hair
Be described as in bright embodiment " optionally " or " such as " any embodiment or design scheme be not necessarily to be construed as than other
Embodiment or design scheme more preferably or more advantage.Specifically, using " optionally " or " such as " etc. words be intended to have
Related notion is presented in body mode.
This application can be applied under LTE-NR dual link scene, as shown in Figure 1, LTE base station and the base station NR colocation site portion
Administration, wherein dependent deployment in the base station NR uses the mode of LTE-NR dual link to provide service, LTE base station and NR for 5G terminal
Base station can be outdoor macro base station, in order to provide coverage area as big as possible at 5G commercial initial stage.Due to the portion of the base station NR
It is higher than the deployment frequency range of LTE base station to affix one's name to frequency range, causes wireless signal big in transmission process path loss, therefore, NR cell
Coverage area is less than the coverage area of LTE cell.
In conjunction with Fig. 1, the embodiment of the present application provides a kind of system dual link scheduling strategy, as shown in Figure 2, comprising:
201, first base station determines that terminal does not have the measurement report that when supporting the bis- hair functions of LTE-NR, reception terminal is reported
It accuses.
In the embodiment of the present application, first base station can be the LTE base station in Fig. 1, small in first base station coverage area
Area is LTE cell, and the second base station can be the base station NR in Fig. 1, and the cell in the second base station range is NR cell.Work as end
End does not have the hardware link for supporting the bis- hair functions of LTE-NR, alternatively, terminal supports the bis- hair functions of LTE-NR, but the performance of terminal
When not reaching requirement, first base station determines that terminal does not have the function of supporting the bis- hairs of LTE-NR.
First base station receives the measurement report that terminal reports, and may include the cell signal of LTE cell in the measurement report
The cell signal quality of quality and NR cell.
202, it is pre- to judge whether the cell signal quality of LTE cell and the cell signal quality of NR cell meet for first base station
If condition.If meeting preset condition, 203 are thened follow the steps；If being unsatisfactory for preset condition, 204 are thened follow the steps.
Optionally, cell signal quality can be RSRP, or Reference Signal Received Quality (Reference
Signal Receiving Quality, RSRQ), naturally it is also possible to the other parameters being well known to those skilled in the art, this
Application does not limit this.
In the embodiment of the present application, preset condition can be greater than for the cell signal quality of NR cell and the sum of bias
The cell signal quality of LTE cell.
203, first base station issues the first RRC reconfiguration message to terminal, and sends the first configuration information to the second base station.
When the cell signal quality of the cell signal quality of LTE cell and NR cell meets preset condition, indicate that NR is small
Area can provide data service carrying as capacity layer for terminal.Therefore, first base station is successively distinguished to the second base station and terminal
Send the first configuration information and the first RRC reconfiguration message, wherein the first RRC reconfiguration message is for making terminal know first
Base station configures the NR cell under the second base station to the secondary cell PSCell of first base station, and the first configuration information indicates the second base station
SRB3 and DRB2 are established for terminal, wherein SRB3 is the control plane Signaling Radio Bearer that the second base station is established, and DRB2 is the second base
Stand establish user face data service bearer.
204, first base station is that terminal establishes DRB1.
When the cell signal quality of the cell signal quality of LTE cell and NR cell is unsatisfactory for preset condition, illustrate NR
Cell is not inconsistent the requirement for being combined into terminal offer SRB3 and DRB2, then provides DRB1 by first base station for terminal.
The embodiment of the present application provides a kind of system dual link scheduling strategy, and first base station determines that terminal does not have support
When the bis- hair functions of LTE-NR, the measurement report that terminal reports is received, wherein measurement report includes the cell signal of LTE cell
The cell signal quality of quality and NR cell, and LTE cell and NR cell are respectively first base station and the second base station range
Under cell, it is default that first base station judges whether the cell signal quality of LTE cell and the cell signal quality of NR cell meet
Condition, if meeting preset condition, first base station issues the first RRC reconfiguration message to terminal, and sends the to the second base station
One configuration information, it is that terminal establishes SRB3 and DRB2, the first RRC reconfiguration message that the first configuration information, which is used to indicate the second base station,
For knowing terminal, first base station configures NR cell to the secondary cell PSCell of first base station；If being unsatisfactory for preset condition,
First base station is that terminal establishes DRB1.By scheme provided by the present application, for not having the end for supporting the bis- hair functions of LTE-NR
End can be realized when meeting preset condition, by the related data information of the small area carrier terminal of NR, when being unsatisfactory for preset condition, eventually
The relevant information at end falls back to and is transmitted in LTE cell, meanwhile, operator, can be effective by the way that suitable bias is arranged
Control is promoted in a manner of it can controllably match under the premise of not influencing terminal experience by the thresholding of the small area carrier terminal data of NR
The availability of frequency spectrum of system entirety.
On the basis of Fig. 2, the embodiment of the present application provides a kind of system dual link scheduling strategy, as shown in figure 3, from terminal
Access is initiated
301, terminal completes initial access process, carries out capability reporting.
Terminal in the embodiment of the present application can be 5G terminal, and for terminal after completing initial access process, first base station is logical
Know terminal carry out capability reporting, wherein the ability of terminal include baseband capability and whether support LTE-NR it is bis- send out etc. frequency ranges phase
The ability of pass.
302, first base station judges whether terminal has the function of supporting the bis- hairs of LTE-NR.If terminal does not support that LTE-NR is bis-
The function of hair, thens follow the steps 303；If terminal supports the function of the bis- hairs of LTE-NR, the bis- hair scheduling strategies of LTE-NR are used.
First base station judges that the terminal is combined in special frequency channel (for example, 5G network after receiving the ability that terminal reports
The combination of the LTE frequency range and NR frequency range of work) on whether have support the bis- hairs of LTE-NR function.
303, terminal, which determines, uses single-shot scheduling strategy.
When first base station judges that terminal does not have the function of supporting the bis- hairs of LTE-NR, terminal, which is determined, dispatches plan using single-shot
Slightly, the single-shot scheduling strategy as shown in following steps, specifically: when the information that the measurement report that terminal reports is included meet it is pre-
If being that terminal establishes default bearing by first base station if terminal is in RRC Idle state when condition；If terminal is in RRC connection
State is that terminal establishes data service carrying by the second base station, and first base station is responsible for terminal mobility and cell configuration correlation function.
When the measurement report information that terminal reports does not meet preset condition, no matter terminal is in RRC Idle state or RRC connected state,
It is that terminal establishes control plane signaling bear by first base station.
304, first base station is that terminal establishes default SRB0.
After terminal completes the processes such as initial access process and safety, authentication, capability reporting, if in a period of time
Interior to transmit without business, first base station discharges its RRC between terminal and connect, and terminal enters RRC Idle state.Terminal is in RRC
When Idle state, need to be attached in LTE cell, at this point, first base station is that terminal establishes default Signaling Radio Bearer SRB0, it should
SRB0 is for making terminal pass through common control channel (Common Control Channel, CCCH) logic channel to first base station
Send RRC information.
305, when having service request in terminal, terminal initiates RRC connection establishment process to first base station.
When there is service request in terminal, for example, terminal initiates RRC to first base station when voice service or data service
Request is established in connection, to establish dedicated carrying.Wherein, the RRC connection that terminal is initiated, which is established, carries the first of terminal in request
Beginning NAS identifies and establishes reason etc., and establishing reason may include dialing emergency numbers, high priority access, called access, sending
Signaling and transmission data etc..
306, first base station establishes SRB1 carrying to terminal.
After request is established in the RRC connection that first base station receives terminal transmission, SRB1 is carried to terminal transmission and is completely matched
Message is established in the RRC connection of confidence breath, then receives the RRC connection setup complete message for carrying NAS that terminal is sent.RRC
Connection is established after completion, is that terminal establishes SRB1 carrying by first base station, the mobility and cell to be responsible for terminal are matched
Set equal correlation functions.
307, terminal is under RRC connection status, to first base station reporting measurement reports.
Terminal enters after RRC connected state, includes the first base in the measurement report to first base station reporting measurement reports
In coverage area of standing in the cell signal quality of LTE cell and the second base station range NR cell cell signal quality.Its
In, NR community configured information can issue in the system message of LTE cell, and terminal is based on the configuration information and measures, and will
Measurement result is included in measurement report.
308, it is pre- to judge whether the cell signal quality of LTE cell and the cell signal quality of NR cell meet for first base station
If condition.If meeting preset condition, 309 are thened follow the steps；If being unsatisfactory for preset condition, 311 are thened follow the steps.
In the embodiment of the present application, cell signal quality can be RSRP.Optionally, the embodiment of the present application provides one kind
Preset condition are as follows: RSRP1+offset > RSRP2, wherein RSRP1 indicates that the RSRP of NR cell, RSRP2 indicate LTE cell
RSRP, terminal passes through the CRS issued in the system message for measuring LTE cell respectively and SSS obtains corresponding RSRP1 and RSRP2,
Offset is bias.By configuring suitable offset, the thresholding using the small area carrier user data of NR can control, specifically
Offset value can be adjusted according to the actual situation by operator, and pass through operation management maintainance (Operation
Administration Maintenance, OAM) system configured.
For example, when being configured to offset=0, when the RSRP that terminal measures NR cell is better than the RSRP of LTE cell, the
One base station selected passes through the small area carrier user data of NR；When being configured to offset=3dB, the RSRP that terminal measures NR cell is
When the half of the RSRP of LTE cell, first base station is still selected through the small area carrier user data of NR.That is, offset
Numerical value it is bigger, a possibility that preset condition meets, is bigger, thus can by more user data by NR cell come
Carrying.
309, first base station issues the first RRC reconfiguration message to terminal, and sends the first configuration information to the second base station.
When the cell signal quality of the cell signal quality of LTE cell and NR cell meets preset condition, illustrate that NR is small
Area can provide data services related carrying for terminal, then first base station successively sends first to the second base station and terminal respectively and matches
Confidence breath and the first RRC reconfiguration message, wherein the first configuration information be used to indicate the second base station be terminal establish SRB3 and
DRB2, the first RRC reconfiguration message is for making terminal know that the NR cell under the second base station is configured the first base by first base station
The secondary cell PSCell to stand includes the cell ID (Identifier, ID) of NR cell in the first RRC reconfiguration message.
310, the second base station is that terminal establishes SRB3 and DRB2.
Second base station receives first base station by the first configuration information of scheduler dispatches, when there is new business to ask in terminal
When asking initiation (for example, initiate PDU session or establish new DRB), the second base station is terminal foundation according to first configuration information
SRB3 and DRB2, wherein the SRB3 is mainly used for the management of the second base station, measuring configuration, physical layer, configuration and reconfigures
Packet Data Convergence Protocol (Packet Data Convergence Protocol, PDCP) etc..
311, first base station is that terminal establishes DRB1.
When the cell signal quality of the cell signal quality of LTE cell and NR cell is unsatisfactory for preset condition, illustrate NR
Cell is not inconsistent the requirement for being combined into terminal offer SRB3 and DRB2, then is that terminal establishes DRB1 by first base station.
Further, if first base station detects that NAS message is transmitted, first base station establishes SRB2 for terminal, on the contrary, if
NAS message transmission is not detected in first base station, then first base station is that terminal establishes SRB1.
In the embodiment of the present application, first base station and the second base station are used as wireless side, the wireless side and terminal, core net it
Between carrying corresponding relationship it is as shown in Figure 4, wherein there is no substantive difference between DRB1 and DRB2, be only respectively as
LTE cell and NR cell are the data service carrying that terminal provides.
312, the cell signal quality of the cell signal quality of terminal periodic detection LTE cell and NR cell.
When terminal is mobile or since the factors such as ambient occlusion cause wireless signal to change, terminal is by periodically
The cell signal quality of LTE cell and the cell signal quality of NR cell are detected, can identify changing for channel condition in time
Become, updates the content of measurement report, and measurement report is sent to first base station.
Optionally, in measurement report during reporting, terminal both can be periodically to first base station reporting measurement report
Accuse, reported in a manner of (for example, changes in channel conditions etc.) can also being triggered by event to first base station, the application to this not
It limits.
If 313, the cell signal quality of LTE cell and the cell signal quality of NR cell are unsatisfactory for preset condition, first
Base station sends the 2nd RRC reconfiguration message to terminal, and sends the second configuration information to the second base station.
If first base station determines in the measurement report that terminal reports, the cell signal quality of LTE cell and NR cell it is small
Area's signal quality is unsatisfactory for preset condition, i.e. RSRP1+offset < RSRP2, illustrates that NR cell is unsatisfactory for providing data for terminal
The requirement of service bearer, then first base station successively sends the second configuration information and the 2nd RRC weight to the second base station and terminal respectively
Configuring message, wherein the second configuration information, which is used to indicate the second base station and discharges its own RRC between terminal, to be connect, and second
RRC reconfiguration message will establish DRB1 by first base station terminal for knowing terminal.
314, the second base station receives the second configuration information that first base station is sent.
Second configuration information is used to indicate the RRC connection between the second base station the second base station of release and terminal.
315, the second base station discharges the RRC connection between the second base station and terminal according to the second configuration information.
Second base station receives the second configuration information of first base station transmission, and discharges its own according to the second configuration information
RRC between terminal is connect.
The embodiment of the present application provides a kind of system dual link scheduling strategy, and first base station determines that terminal does not have support
When the bis- hair functions of LTE-NR, the measurement report that terminal reports is received, wherein measurement report includes the cell signal of LTE cell
The cell signal quality of quality and NR cell, and LTE cell and NR cell are respectively first base station and the second base station range
Under cell, it is default that first base station judges whether the cell signal quality of LTE cell and the cell signal quality of NR cell meet
Condition, if meeting preset condition, first base station issues 1 reconfiguration message of radio resource control RRC to terminal, and to the second base
It stands and sends the first configuration information, wherein it is that terminal establishes SRB3 and DRB2 that the first configuration information, which is used to indicate the second base station, first
RRC reconfiguration message is for making terminal know that first base station configures NR cell to the PSCell of first base station；If being unsatisfactory for pre-
If condition, first base station is that terminal establishes DRB1.By scheme provided by the present application, the bis- hair function of LTE-NR are supported for not having
Can terminal, can be realized when meeting preset condition, by the related data information of the small area carrier terminal of NR, be unsatisfactory for preset condition
When, the relevant information of terminal falls back to and is transmitted in LTE cell, meanwhile, operator, can be with by the way that suitable bias is arranged
The thresholding by the small area carrier terminal data of NR is effectively controlled, under the premise of not influencing terminal experience, in a manner of it can controllably match
The availability of frequency spectrum of lifting system entirety.
It is above-mentioned that mainly scheme provided by the embodiments of the present application is described from the angle of interaction between each network element.It can
With understanding, each network element, such as first base station, the second base station etc. are in order to realize the above functions, each it comprises executing
The corresponding hardware configuration of function and/or software module.Those skilled in the art should be readily appreciated that, public in conjunction with institute herein
Each exemplary unit and algorithm steps for the embodiment description opened, the application can be with hardware or the knot of hardware and computer software
Conjunction form is realized.Some functions is executed in a manner of hardware or computer software driving hardware actually, depends on technology
The specific application and design constraint of scheme.Professional technician can carry out each specific application to come using distinct methods
Realize described function, but this realization is it is not considered that exceed scope of the present application.
The embodiment of the present application can carry out the division of functional module according to above method example to first base station etc., for example,
The each functional module of each function division can be corresponded to, two or more functions can also be integrated in a processing mould
In block.Above-mentioned integrated module both can take the form of hardware realization, can also be realized in the form of software function module.
It should be noted that be schematical, only a kind of logical function partition to the division of module in the embodiment of the present application, it is practical
There may be another division manner when realization.
In the case where each function division of use correspondence each functional module, Fig. 5 shows involved in above-described embodiment
And first base station a kind of possible structural schematic diagram, first base station 50 comprises determining that unit 501, receiving unit 502 are sentenced
Disconnected unit 503, transmission unit 504 and processing unit 505.Determination unit 501 is for supporting first base station to execute the mistake in Fig. 2
Journey 201, the process 303 in Fig. 3；Receiving unit 502 is for supporting first base station to execute the process 201 in Fig. 2, in Fig. 3
301,305,307；Judging unit 503 is for supporting first base station to execute the process 202 in Fig. 2, the process 302,308 in Fig. 3；
Transmission unit 504 is for supporting first base station to execute the process 203 in Fig. 2, the process 309,313 in Fig. 3；Processing unit 505
Process 304,306,310,311 for supporting first base station to execute the process 204 in Fig. 2, in Fig. 3.Wherein, the above method is real
All related contents for applying each step that example is related to can quote the function description of corresponding function module, no longer superfluous herein
It states.
Using integrated unit, Fig. 6 shows one kind of first base station involved in above-described embodiment
Possible structural schematic diagram.For example, processing module 601 is used to that first base station to be supported to execute the process 201,202 and 204 in Fig. 2,
Process 302,303,304,306,308,311 in Fig. 3 and/or other processes for techniques described herein.Communicate mould
Block 602 is for supporting first base station to execute the process 201 in Fig. 2, the process 305,307,309,313 in 203, Fig. 3, the first base
It stands and the communication of other network entities, such as the communication between functional module or network entity shown in Fig. 1, Fig. 8, Fig. 9.
Memory module 603 is used to store the program code and data of first base station.
Wherein, processing module 601 can be processor or controller, such as can be central processing unit (Central
Processing Uni t, CPU), general processor, digital signal processor (Digital Signal Processor,
DSP), specific integrated circuit (Application-Specific Integrated Circuit, ASIC), field programmable gate
Array (Field Programmable Gate Array, FPGA) or other programmable logic device, transistor logic device
Part, hardware component or any combination thereof.It, which may be implemented or executes, combines various examples described in present disclosure
The logic block of property, module and circuit.The processor is also possible to realize the combination of computing function, such as includes one or more
The combination etc. of a micro processor combination, DSP and microprocessor.Communication module 602 can be transceiver, transmission circuit or communication
Interface etc..
As shown in fig.7, the first base station 70 includes: transceiver 701, processor 702, memory 703 and bus
704.Wherein, transceiver 701, processor 702 and memory 703 are connected with each other by bus 704；Bus 704 can be outer
If component connection standard (Peripheral Component Interconnect, PCI) bus or expanding the industrial standard structure
(Extended Industry Standard Architecture, EISA) bus etc..It is total that the bus can be divided into address
Line, data/address bus, control bus etc..Only to be indicated with a thick line in Fig. 7 convenient for indicating, it is not intended that only one total
Line or a type of bus.
The embodiment of the present application can carry out the division of functional module according to above method example to second base station etc., for example,
The each functional module of each function division can be corresponded to, two or more functions can also be integrated in a processing mould
In block.Above-mentioned integrated module both can take the form of hardware realization, can also be realized in the form of software function module.
It should be noted that be schematical, only a kind of logical function partition to the division of module in the embodiment of the present application, it is practical
There may be another division manner when realization.
In the case where each function division of use correspondence each functional module, Fig. 8 shows involved in above-described embodiment
And the second base station a kind of possible structural schematic diagram, the second base station 80 includes: receiving unit 801, processing unit 802.It connects
Unit 801 is received for supporting the second base station to execute the process 309,314 in Fig. 3；Processing unit 802 is for supporting the second base station to hold
Process 310,315 in row Fig. 3.Wherein, all related contents for each step that above method embodiment is related to can be quoted
Function to corresponding function module describes, and details are not described herein.
Using integrated unit, Fig. 9 shows one kind of the second base station involved in above-described embodiment
Possible structural schematic diagram.For example, processing module 901 is used to that the second base station to be supported to execute the process 310,315 in Fig. 3, and/or
Other processes for techniques described herein.Communication module 902 for support the second base station execute the process 309 in Fig. 3,
314, the communication of the second base station and other network entities, such as with Fig. 1, Fig. 5, functional module shown in Fig. 6 or network entity
Between communication.Memory module 903 is used to store the program code and data of the second base station.
Wherein, processing module 901 can be processor or controller, such as can be central processing unit (Central
Processing Unit, CPU), general processor, digital signal processor (Digital Signal Processor, DSP),
Specific integrated circuit (Application-Specific Integrated Circuit, ASIC), field programmable gate array
It is (Field Programmable Gate Array, FPGA) or other programmable logic device, transistor logic, hard
Part component or any combination thereof.It may be implemented or execute to combine and various illustratively patrol described in present disclosure
Collect box, module and circuit.The processor is also possible to realize the combination of computing function, such as includes one or more micro- places
Manage device combination, DSP and the combination of microprocessor etc..Communication module 902 can be transceiver, transmission circuit or communication interface
Deng.
As shown in fig.10, second base station 100 includes: transceiver 1001, processor 1002, memory 1003 and total
Line 1004.Wherein, transceiver 1001, processor 1002 and memory 1003 are connected with each other by bus 1004；Bus 1004
It can be Peripheral Component Interconnect standard (Peripheral Component Interconnect, PCI) bus or extension industry mark
Quasi- structure (Extended Industry Standard Architecture, EISA) bus etc..The bus can be divided into ground
Location bus, data/address bus, control bus etc..Only to be indicated with a thick line in Figure 10, it is not intended that only one convenient for indicating
Root bus or a type of bus.
The step of method in conjunction with described in present disclosure or algorithm can realize in a manner of hardware, can also
It is realized in a manner of being to execute software instruction by processor.Software instruction can be made of corresponding software module, software mould
Block can be stored on random access memory
It is (Random Access Memory, RAM), flash memory, read-only memory (Read Only Memory, ROM), erasable
Except programmable read only memory (Erasable Programmable ROM, EPROM), Electrically Erasable Programmable Read-Only Memory
(Electrically EPROM, EEPROM), register, hard disk, mobile hard disk, CD-ROM (CD-ROM) or this field are ripe
In the storage medium for any other form known.A kind of illustrative storage medium is coupled to processor, to enable processor
Enough from the read information, and information can be written to the storage medium.Certainly, storage medium is also possible to processor
Component part.Pocessor and storage media can be located in ASIC.In addition, the ASIC can be located in core network interface equipment.
Certainly, pocessor and storage media can also be used as discrete assembly and be present in core network interface equipment.
Those skilled in the art are it will be appreciated that in said one or multiple examples, function described herein
It can be realized with hardware, software, firmware or their any combination.It when implemented in software, can be by these functions
Storage in computer-readable medium or as on computer-readable medium one or more instructions or code transmitted.
Computer-readable medium includes computer storage media and communication media, and wherein communication media includes convenient for from a place to another
Any medium of one place transmission computer program.Storage medium can be general or specialized computer can access it is any
Usable medium.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Change or replacement within the technical scope of the present application should all be covered within the scope of protection of this application.Therefore, this Shen
Protection scope please should be based on the protection scope of the described claims.
Claims (12)
1. a kind of system dual link scheduling strategy characterized by comprising
First base station determine terminal do not have support Long Term Evolution-newly eat dishes without rice or wine LTE-NR bis- hair functions when, receive the end
The measurement report that end reports, the cell signal quality of the measurement report cell signal quality comprising LTE cell and NR cell,
The LTE cell is the cell under the first base station coverage area, and the NR cell is small under the second base station range
Area；
The first base station judges whether the cell signal quality of the LTE cell and the cell signal quality of the NR cell expire
Sufficient preset condition；
If meeting the preset condition, the first base station issues the first radio resource control RRC and reconfigure to the terminal to disappear
Breath, and the first configuration information is sent to second base station, first configuration information is used to indicate second base station as institute
It states terminal and establishes Signaling Radio Bearer SRB3 and Data Radio Bearer DRB2, the first RRC reconfiguration message is described for making
Terminal knows that the first base station configures the NR cell to the secondary cell PSCel l of the first base station；
If being unsatisfactory for the preset condition, the first base station is that the terminal establishes DRB1.
2. system according to claim 1 dual link scheduling strategy, which is characterized in that the cell signal quality is reference
Signal reception power RSRP, the RSRP of the LTE cell measure cell reference signals CRS by the terminal and obtain, the NR
The RSRP of cell measures secondary synchronization signal SSS by the terminal and obtains；
The preset condition are as follows: RSRP1+offset > RSRP2, wherein the offset is bias, and the RSRP1 is described
The RSRP of NR cell, the RSRP2 are the RSRP of the LTE cell.
3. system dual link scheduling strategy according to claim 1 or 2, which is characterized in that the strategy further include:
If the terminal is in RRC Idle state, the first base station is that the terminal establishes default SRB0；
If the terminal is in RRC connected state, when meeting the preset condition, the first base station is terminal foundation
SRB1, when being unsatisfactory for the preset condition, if the first base station detects that non access stratum NAS message is transmitted, described the
One base station is that the terminal establishes SRB2, if the NAS message transmission is not detected, the first base station is that the terminal is built
Vertical SRB1.
4. system according to claim 1 dual link scheduling strategy, which is characterized in that the strategy further include:
After the measurement report updates, if the cell signal matter of the cell signal quality of the LTE cell and the NR cell
Amount is unsatisfactory for the preset condition, and the first base station sends the 2nd RRC reconfiguration message to the terminal, and to described second
Base station sends the second configuration information, and second configuration information is used to indicate second base station and discharges second base station and institute
The RRC connection between terminal is stated, the 2nd RRC reconfiguration message is for making the terminal know that the first base station is described
Terminal establishes DRB1.
5. a kind of system dual link scheduling strategy characterized by comprising
Second base station receives the first configuration information that first base station is sent, and first configuration information is used to indicate second base
It stands and establishes Signaling Radio Bearer SRB3 and Data Radio Bearer DRB2 for terminal；
Second base station is that the terminal establishes the SRB3 and the DRB2 according to first configuration information.
6. system dual link scheduling strategy according to claim 5, which is characterized in that the strategy further include:
Second base station receives the second configuration information that the first base station is sent, and second configuration information is used to indicate institute
It states the second base station and discharges RRC connection between second base station and the terminal；
Second base station discharges the RRC connection between second base station and the terminal according to second configuration information.
7. a kind of system dual link dispatching device, is set to first base station characterized by comprising
Determination unit, for determining that terminal does not have the new bis- hair functions of LTE-NR of eating dishes without rice or wine of support Long Term Evolution-；
Receiving unit, the measurement report reported for receiving the terminal, the measurement report include the cell signal of LTE cell
The cell signal quality of quality and NR cell, the LTE cell are the cell under the first base station coverage area, and the NR is small
Area is the cell under the second base station range；
Judging unit, for judge the LTE cell cell signal quality and the NR cell cell signal quality whether
Meet preset condition；
Transmission unit, for issuing the first radio resource control RRC to the terminal and reconfiguring when meeting the preset condition
Message, and the first configuration information is sent to second base station, first configuration information is used to indicate second base station and is
The terminal establishes Signaling Radio Bearer SRB3 and Data Radio Bearer DRB2, and the first RRC reconfiguration message is for making institute
It states terminal and knows that the first base station configures the NR cell to the secondary cell PSCel l of the first base station；
Processing unit, for establishing DRB1 for the terminal when being unsatisfactory for the preset condition.
8. system dual link dispatching device according to claim 7, which is characterized in that the cell signal quality is reference
Signal reception power RSRP, the RSRP of the LTE cell measure cell reference signals CRS by the terminal and obtain, the NR
The RSRP of cell measures secondary synchronization signal SSS by the terminal and obtains；
The preset condition are as follows: RSRP1+offset > RSRP2, wherein the offset is bias, and the RSRP1 is described
The RSRP of NR cell, the RSRP2 are the RSRP of the LTE cell.
9. system dual link dispatching device according to claim 7 or 8, which is characterized in that
If the terminal is in RRC Idle state, the processing unit is that the terminal establishes default SRB0；If at the terminal
In RRC connected state, when meeting the preset condition, the processing unit is that the terminal establishes SRB1, described when being unsatisfactory for
When preset condition, if described device detects that non access stratum NAS message is transmitted, the processing unit is terminal foundation
SRB2, if the NAS message transmission is not detected, described device is that the terminal establishes SRB1.
10. system dual link dispatching device according to claim 7, which is characterized in that after the measurement report updates,
If the cell signal quality of the LTE cell and the cell signal quality of the NR cell are unsatisfactory for the preset condition, described
Transmission unit is also used to send the 2nd RRC reconfiguration message to the terminal, and sends second to second base station and match confidence
Breath, second configuration information are used to indicate the RRC that second base station discharges between second base station and the terminal and connect
It connects, the 2nd RRC reconfiguration message is for making the terminal know that the first base station terminal establishes DRB1.
11. a kind of system dual link dispatching device, is set to the second base station characterized by comprising
Receiving unit, for receiving the first configuration information of first base station transmission, first configuration information is used to indicate described
Second base station is that terminal establishes Signaling Radio Bearer SRB3 and Data Radio Bearer DRB2；
Processing unit, for being that terminal establishes Signaling Radio Bearer SRB3 and Data Radio Bearer according to first configuration information
DRB2。
12. system dual link dispatching device according to claim 11, which is characterized in that
The receiving unit, is also used to receive the second configuration information that the first base station is sent, and second configuration information is used
The RRC connection between second base station and the terminal is discharged in instruction second base station；
The processing unit is also used to be discharged between second base station and the terminal according to second configuration information
RRC connection.
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